Source code of "generic" binary and multiclass classification.

This code is inspired by François Chollet's book "Deep Learning with Python" (November 2017, ISBN 9781617294433).

Main additions

• support under- and over-sampling for imbalanced datasets
• configuration file to set the main hyper-parameters
• support Grad-CAM https://arxiv.org/abs/1610.02391
• and many other features and bugs